.ad_div {
    margin-top: .5rem;
    background-color: #FFF;
    /* margin-left: .5rem; */
    padding: .3rem;
    border-radius: .3rem;
    /* border: 1px solid #eee; */
}

.ad_div div {
    border-radius: .3rem;
    margin-bottom: .2rem;
    overflow: hidden;
}

.ad_img {
    width: 100%;
}